Size 150x100x6mm. These blocks can withstand heat of up to 1800 degrees centigrade whilst protecting the work surface underneath.
Soldering Heat Mat
JEWELLERS HEAT PROOF Soldering Mat Board Sheet Block Jewellery Making - TA11 FP £4.40 - PicClick UK
Millboard Soldering Mat 275mm x 200mm x 6mm - TA12
Jewellers Heat Proof Soldering Sheet Block Board Mat 150x100x6mm - TA11
Soldering Boards - Soldering Boards on Jewelry Tools
Colorblock Drop Shoulder Sweater
Soldering Board, Black Solder Mat, Large Silicone Tool Work Project Mat Workbench Cover For Soldering Iron Gun Holder Utility Repair Mat Heat Resistant Reach 932°F With Size 15.8 inch x 11.8 inch
Soldering Boards for Jewelry Making
100 X 150 X 6mm Jewellers Heat Proof Soldering Mat Board Sheet Block Making Tool 130
Jewellers Heat Proof Soldering Cotton Sheet Heat Absorber 15mm Square Pad
TECKTOO Soldering Board, Black Solder Mat, Large Silicone Tool Work Project Mat Workbench Cover for Soldering Iron Gun Holder Utility Repair Mat Heat